MAGNAVOX ELECTRONIC SYSTEMS COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01S RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES3106
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION256
 
  
 
F42B EXPLOSIVE CHARGES, e.g. FOR BLASTING; FIREWORKS; AMMUNITION 138
 
  
 
F42C AMMUNITION FUZES 121
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 159
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 159
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H04B TRANSMISSION 1209
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 1284
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 1106

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5535278 Global positioning system (GPS) receiver for recovery and tracking of signals modulated with P-codeMay 02, 94Jul 09, 96[H04L]
5506373 Electronic module enclosureJul 09, 93Apr 09, 96[H05K]
5471217 Method and apparatus for smoothing code measurements in a global positioning system receiverFeb 01, 93Nov 28, 95[H04B, G01S]
5370053 Slapper detonatorJan 15, 93Dec 06, 94[F42B, F42C]
5343173 Phase shifting network and antenna and methodJun 28, 91Aug 30, 94[H01P]
5319196 Optical rotation sensorDec 07, 92Jun 07, 94[G01D]
5317322 Null processing and beam steering receiver apparatus and methodJun 28, 93May 31, 94[G01S]
5268878 Accelerometer sensor noise reduction method and meansJul 27, 92Dec 07, 93[H04R]
5263048 Narrow band interference frequency excision method and meansJul 24, 92Nov 16, 93[H04K]
5237587 Pseudo-noise modem and related digital correlation methodNov 20, 92Aug 17, 93[H04K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5783984 Method and means for combining a transformer and inductor on a single core structureExpiredJun 16, 95Jul 21, 98[H01F]
5572427 Doppler position bearing angle locatorExpiredFeb 10, 94Nov 05, 96[G01S]
5488908 Environmetally insensitive electric detonator system and method for demolition and blastingExpiredApr 22, 94Feb 06, 96[F42B, F42C]
5307325 Accelerometer sensor noise reduction method and meansExpiredAug 31, 92Apr 26, 94[H04R]
5288564 Compact, cylindrical, multi-cell seawater batteryExpiredSep 30, 92Feb 22, 94[H01M]
5286462 Gas generator system for underwater buoyancyExpiredSep 21, 92Feb 15, 94[B01J]
5278729 Compact rotatable electrical deviceExpiredMar 26, 93Jan 11, 94[H04B]
5216325 Spark gap device with insulated trigger electrodeExpiredJan 24, 90Jun 01, 93[H01J]
5188911 Tapered manifold for batteries requiring forced electrolyte flowExpiredFeb 25, 91Feb 23, 93[H01M]
5175877 Apparatus and method for generating an amplitude modulated RF signalExpiredMar 15, 90Dec 29, 92[H04B]
5162168 Automatic voltage control system and method for forced electrolyte flow batteriesExpiredAug 19, 91Nov 10, 92[H01M]
5112442 Liquid vaporizing process for manufacturing iron oxideExpiredSep 27, 90May 12, 92[H05B, B01D]
5091702 Automatic sweep-to-lock circuit for a phase-locked loopExpiredDec 21, 90Feb 25, 92[H03L]
D323820 Portable optical disk storage deviceExpiredDec 07, 89Feb 11, 92[]
5073136 Collapsible sonobuoy floatation deviceExpiredMar 29, 90Dec 17, 91[B63B]
5072227 Method and apparatus for precision attitude determinationExpiredJul 27, 90Dec 10, 91[G01S]
5059977 Synchronizing switch arrangement for a digital-to-analog converter to reduce in-band switching transientsExpiredAug 03, 90Oct 22, 91[H03M]
5056434 Spin integrating safe and arm device for spinning munitionsExpiredAug 27, 90Oct 15, 91[F42C]
5048365 Ordnance arming switch knob assemblyExpiredMar 29, 90Sep 17, 91[G05G, B25G]
5040240 Receiver architecture for use with a global positioning systemExpiredNov 30, 89Aug 13, 91[H04B]

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